203915516

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{6737}}^1$

素因数の和:6818

約数の個数: 48

約数和(自身を含む): 434681856

約数和(自身を除く): 230766340

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 92, 94, 161, 188, 322, 329, 644, 658, 1081, 1316, 2162, 4324, 6737, 7567, 13474, 15134, 26948, 30268, 47159, 94318, 154951, 188636, 309902, 316639, 619804, 633278, 1084657, 1266556, 2169314, 2216473, 4338628, 4432946, 7282697, 8865892, 14565394, 29130788, 50978879, 101957758, 203915516]

約数ペア:

[(1, 203915516), (2, 101957758), (4, 50978879), (7, 29130788), (14, 14565394), (23, 8865892), (28, 7282697), (46, 4432946), (47, 4338628), (92, 2216473), (94, 2169314), (161, 1266556), (188, 1084657), (322, 633278), (329, 619804), (644, 316639), (658, 309902), (1081, 188636), (1316, 154951), (2162, 94318), (4324, 47159), (6737, 30268), (7567, 26948), (13474, 15134)]